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  1. Percona XtraDB Cluster
  2. PXC-3456

Allow specific characters in SST method names and SST request data.

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      Description

      This bug was introduced in 8.0.20. It works fine in 8.0.19.

       

      If you set a value for wsrep_node_address, for instance, if the nodes must talk to each other via a hostname instead of via IP, then an 8.0.20 node cannot serve as a Donor node, even for an 8.0.19 joiner.

       

      Joiner config:

       

      wsrep_node_address=portal-trance-db-1.portal-trance-db-all

       

      Joiner log:

       

      1 [Note] [MY-000000] [WSREP] Prepared SST request: xtrabackup-v2|portal-trance-db-1.portal-trance-db-all:4444/xtrabackup_sst//1

      ...

      0 [Warning] [MY-000000] [Galera] 0.1 (portal-trance-db-2): State transfer to 2.1 (portal-trance-db-1) failed:-125 (Operation canceled)
      0 [ERROR] [MY-000000] [Galera] gcs/src/gcs_group.cpp:gcs_group_handle_join_msg():1222: Will never receive state. Need to abort.

       

      Donor SST error:

       

      19 [ERROR] [MY-000000] [WSREP] Invalid sst_request: xtrabackup-v2<nullptr>portal-trance-db-1.portal-trance-db-all:4444/xtrabackup_sst//1<nullptr>

      ...

      0 [Warning] [MY-000000] [Galera] 0.1 (portal-trance-db-2): State transfer to 2.1 (portal-trance-db-1) failed: -125 (Operation canceled)

       

       

      I notice a lot of changes in the code from 8.0.19 -> 8.0.20 where 0s and nulls have bee changed to nullptr, so I'm guessing (very much a guess) that this regression is an unwanted side effect of those changes

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              Assignee:
              kamil.holubicki Kamil Holubicki
              Reporter:
              eskinner Evan Jardine-Skinner
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